Dirty fix for Moodle Update in Jan 2025

The episode.json file has been updated and broke the script that it couldn't find the video download links anymore. That PR fixes that.

free.js

 if (window.location.host === 'engage.streaming.rwth-aachen.de') {
-  if (!window.location.href.startsWith('https://engage.streaming.rwth-aachen.de/paella/ui/watch.html') || !window.location.href.startsWith('https://engage.streaming.rwth-aachen.de/paella7/ui/watch.html'))
+  if (!window.location.href.startsWith('https://engage.streaming.rwth-aachen.de/paella/ui/watch.html') || !window.location.href.startsWith('https://engage.streaming.rwth-aachen.de//paella7/ui/watch.html'))
     console.warn('looks like we are running outside a player context‽')
 
   const inFrame = (window.parent !== window)
@@ -8,7 +8,7 @@ if (window.location.host === 'engage.streaming.rwth-aachen.de') {
     .then(d=>d.json())
     .then(meta => {
       window._meta = meta
-      let videoTracks = meta['search-results'].result.mediapackage.media.track
+      let videoTracks = meta['result'][0].mediapackage.media.track
         .filter(t=> t.mimetype.startsWith('video/') && t.url.startsWith('http'))
         .sort((a,b) =>
             a.mimetype.localeCompare(b.mimetype)
@@ -59,7 +59,7 @@ function genIdPrefix(videoId) {
 }
 function genVideoContainerId(vidIdOrMeta) {
   if (typeof vidIdOrMeta === 'object')
-    vidIdOrMeta = vidIdOrMeta['search-results'].result.id
+    vidIdOrMeta = vidIdOrMeta['result'][0].id
   return `${genIdPrefix(vidIdOrMeta)}_container`
 }
 
@@ -77,7 +77,7 @@ const FMT = (()=>{
 })()
 
 function genLinkList(tracks, meta) {
-  let videoTitle = meta['search-results'].result.dcTitle || '?'
+  let videoTitle = meta['result'][0].dc.title[0] || '?'
   let videoLinkList = document.createElement('ul')
   videoLinkList.classList.add('videoLinkList')
   tracks.forEach(track => {
@@ -100,7 +100,7 @@ Audio: ${mAud.channels}ch@${FMT.hz(mAud.samplingrate)} (${FMT.bps(mAud.bitrate)}
 }
 
 function genLinkContainer(tracks, meta) {
-  let videoTitle = meta['search-results'].result.dcTitle || '?'
+  let videoTitle = meta['result'][0].dc.title[0] || '?'
   let details = document.createElement('details')
   details.id = genVideoContainerId(meta)
   details.classList.add('_ext-openExcellenceMedia_container')